condition	mean	min	max
4 h after light	3.074875	2.72677	3.42298
8 h after light	3.14201	3.05271	3.23131
12 h after light	4.017805	3.71585	4.31976
4 h after dark	5.814493333333333	5.19751	6.57231
8 h after dark	4.67548	4.46198	4.80616
12 h after dark	3.9905233333333334	3.86025	4.09162